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n200080 [17]
3 years ago
12

To win a prize in a math contest, an individual must correctly fill in the blank below. (−3)(4−5)= [blank] −−−−−−(−3)(4−5)= [bla

nk] _ Enter your answer as a number, like this: 42
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

3

Step-by-step explanation:

the answer is 3 because pedmas so the first is in the parentheses so we subtract 4 and 5 which is -1 so -1 times -3=3

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What is the product of 5.2 x 10^4 and 1.3 x 10^-2?
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A survey was done that asked people to indicate whether they preferred to swim in a pool or in an ocean. The results are shown i
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Given:
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Age 30 and younger             228                         54                 282
Over 30 years old                142                        185                 327
total                                    370                        239                609

Frequencies:
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Age 30 and younger     228/609 = 0.37         54/609 = 0.09       282/609 = 0.46
Over 30 years old        142/609 = 0.23       185/609 = 0.30       327/609 = 0.54
<span>total                           370/609 = 0.61       239/609 = 0.39       609/609 = 1.00</span>

<span>The relative frequency (rounded to the nearest hundredth) of a person over 30 years old who prefers to swim in the ocean is 0.30</span>    
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Step-by-step explanation:

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